- 7.0/101 votes
#1 - Visit to a Hostile Planet
Season 3 Episode 2 - Aired 9/13/1967
The Jupiter 2 and all aboard are caught in a space 'time-warp'! After everything seems to return to normal, they're shocked to find Earth within their reach and decide to return home. Though they're perplexed that they are unable to contact 'Alpha-Control', they decide to land in the 'good ole USA' ....only to find it's 1947! As usual, Dr. Smith causes issues & even considers staying behind when the Robinsons and West announce plans to leave.
Director: Sobey Martin
Writer: Peter Packer
- 7.0/101 votes
#2 - The Great Vegetable Rebellion
Season 3 Episode 23 - Aired 2/28/1968
Doctor Smith uses the Space Pod to land on a planet that the Jupiter II is passing by. It turns out that the planet has evolved in such a way that plants are the highest form of life, and some of them are quite intelligent. One of these plants, a large carrot, captures Smith and tries to change him into a plant. The Jupiter II lands and the Robinsons and West come to Smith's rescue, only to be captured themselves. Eventually they thwart the plant creature and make their escape.
Director: Don Richardson
Writer: Peter Packer
- 6.5/102 votes
#3 - The Raft
Season 1 Episode 12 - Aired 12/1/1965
Actually, Will and Dr. Smith went into an elongated orbit and landed right back on the planet, not too far from the Jupiter II.
Director: Sobey Martin
Writer: Peter Packer
- 6.5/102 votes
#4 - Return from Outer Space
Season 1 Episode 15 - Aired 12/29/1965
Lost in Space's only Christmas program. Will uses an alien transporter to send himself back to earth. However, many people believe the Robinson family to be dead after hearing the ship went off course. Nobody on Earth believes him, and they lock him up with the intention of sending him to a boys' home. Will escapes the family home he's in, and wanders around these clueless bunch of townspeople, but finds carbon tetrachoride — needed for the food processors on the Jupiter. Eventually he convinces another boy, Davey, to let him out, and let him return to the planet he came from. He returns to Priplanus with this bottle. Of course no one believes his adventures until he produces the bottle, plainly labeled as coming from Earth.
Director: Nathan H. Juran
Writer: Peter Packer
- 6.5/102 votes
#5 - Ghost in Space
Season 1 Episode 19 - Aired 2/2/1966
Dr. Smith holds a seance to contact his Uncle Thaddeus. Instead a spirit creature is contacted and creates havoc for the Robinsons. It is later discovered that the ""spirit creature"" is a physical creature, rendered invisible by the properties of the ""ionized gas"" in the bog from which it came.
Director: Don Richardson
Writer: Peter Packer
- 6.5/102 votes
#6 - Blast Off into Space
Season 2 Episode 1 - Aired 9/16/1966
Dr Smith and Will befriend an old miner named Nerim. After a series of earthquakes indicates that the planet is breaking up, Dr Smith tries to convince them that it is merely the effects of mining, and no harm will come to the planet. John informs him that he is wrong and that the Robinson family will be departing within the day. It is a race against time to escape the crumbling planet.
Director: Nathan H. Juran
Writer: Peter Packer
- 6.0/101 votes
#7 - The Dream Monster
Season 2 Episode 14 - Aired 12/21/1966
During a heat wave, Penny comes across a giant, golden man, and his owner. She is told that the creature is called Raddion, a creation which only needs human emotions to be complete. When Dr Smith is removed from the camp, he is taken by two midgets who work with Raddion, and in another atempt to be returned to Earth, agrees to get the emotions from the Robinsons. He does so by taking their pictures, and all that is needed is for the Robinsons to shake hands with him. Don protests and heads back for camp, as do the Robinsons minus their emotions. Eventually they are returned to normal and it is learnt that human emotions cannot be bought or stolen.
Director: Don Richardson
Writer: Peter Packer
- 6.0/101 votes
#8 - The Cave of the Wizards
Season 2 Episode 22 - Aired 2/22/1967
Dr. smith hits his head on a rock and goes into the depths of a cave where he finds a mummy, meanwhile the crew have to blast off at 8:00am, and while the also have to rescue Dr. Smith.
Director: Don Richardson
Writer: Peter Packer
- 6.0/101 votes
#9 - The Phantom Family
Season 2 Episode 27 - Aired 3/29/1967
Will returns to camp following a cosmic storm. John and Maureen are not there as they are at the weather relay station for a few nights. When he gets there, the rest of the family are acting strange. He finds out they are androids, sent to learn how to cope like the Robinsons and teach the rest of their race when they return home. The real Robinsons, are kept in a tube, as they are not allowed to come in to contact with thier double. Will must teach them to become like their counterparts.
Director: Ezra Stone
Writer: Peter Packer
- 6.0/101 votes
#10 - Condemned of Space
Season 3 Episode 1 - Aired 9/6/1967
The beginning of the third season finds the Robinsons having to quickly leave the planet they are on, which is a similar plot to the beginning of the second season. Once in space, the robot is swept overboard and has to be rescued. Then the Robinsons find a prison ship filled with cryogenically preserved prisoners. The prisoners have been interred past their normal sentences due to a malfunctioning timepiece on the prison ship. Professor Robinson repairs the timepiece and frees the prisoners. Robby the Robot makes another appearance, threatening Professor Robinson and Major West.
Director: Nathan H. Juran
Writer: Peter Packer
- 6.0/101 votes
#11 - The Space Primevals
Season 3 Episode 5 - Aired 10/4/1967
The primitive beings are actually wards of a computer, Protinius, which can confer temporary advanced sentience on the leading man in order to communicate Protinius' will. The episode also features a temporary camaraderie between Don and Smith, a burying of the hatchet, when Don is rescued by Smith from a pit, and then says ""Doctor Smith"" - using the word Doctor for the first time unknown ages. However, their camaraderie dissolves and the characters are back to ""normal"". Not the first time Smith has become selfless and a man of some integrity, but as usual, Smith returns to normal.
Director: Nathan H. Juran
Writer: Peter Packer
- 6.0/101 votes
#12 - Flight into the Future
Season 3 Episode 8 - Aired 10/25/1967
Dr. Smith, Will, and the Robot are accidentally launched in the Space Pod. They land on a planet that is controlled by an alien machine that creates illusions to confuse visitors and drive them away. The Jupiter II lands and rescues them, and the robot destroys the alien machine.
Director: Sobey Martin
Writer: Peter Packer
- 6.0/101 votes
#13 - Target: Earth
Season 3 Episode 16 - Aired 1/3/1968
The Space Pod lands on a planet that is inhabited by creatures who all look alike, and aspire to be different. They capture the Robinsons and make duplicates of them with the objective of using the duplicates to fly the Jupiter II back to Earth. Will is not duplicated, and he thwarts their plan.
Director: Nathan H. Juran
Writer: Peter Packer
- 5.5/102 votes
#14 - Welcome Stranger
Season 1 Episode 6 - Aired 10/20/1965
Jimmy Hapgood lands on the planet and the Robinsons befriend him. After helping him fix his spaceship the Robinsons try to convince him to take Will and Penny back to Earth with him. Dr. Smith tries to get aboard the ship instead and take their place.
Director: Alvin Ganzer
Writer: Peter Packer
- 5.5/102 votes
#15 - The Oasis
Season 1 Episode 9 - Aired 11/10/1965
Dr. Smith eats some alien fruit which transforms him into a giant. Convinced it was the Robinsons trying to kill him, he plots to take them out.
Director: Sutton Roley
Writer: Peter Packer
- 5.5/102 votes
#16 - The Space Croppers
Season 1 Episode 25 - Aired 3/30/1966
The Beverly Hillbillies move to Priplanis. One of the aliens turns into a werewolf at night. The leader is a articulent female which Smith tries to court so he may have transportation back to earth. Don falls for the sexy alien daughter.
Director: Sobey Martin
Writer: Peter Packer
- 5.5/102 votes
#17 - A Change of Space
Season 1 Episode 28 - Aired 4/20/1966
The Intergalactic Delivery Service comes to Priplanus. Once again Dr. Smith seeks transportation and has Will "test drive" the spaceship. Will returns much smarter than when he left. Smith realizing the same could happen to him, the increase of intellect, boards the spaceship. His trip, however, ends in his rapid aging and subsequent impending death. To make matters worse, the owner of the spaceship has returned to take the vehicle back, stranding Will and Dr. Smith in their altered state.
Director: Sobey Martin
Writer: Peter Packer
- 5.5/102 votes
#18 - The Ghost Planet
Season 2 Episode 3 - Aired 9/28/1966
Due to Smith's actions the crew has had to land there ship on an alien planet which is run by cyborgs. Meanwhile the crew try to break free for the captors who promise them power and luxury and they have to save there robot who was crippled by a ray gun.
Director: Nathan H. Juran
Writer: Peter Packer
- 5.0/101 votes
#19 - The Colonists
Season 2 Episode 25 - Aired 3/15/1967
The Robinson's communications system is knowcked out, and they discover that the culprit is a female warrior, who is planing on making this planet a colony for her people. She encaptures the members of the Robinson camp, and puts the men to work clearing a landing platform and erecting an arc. Meanwhile she keeps the females seperate and teaches them of the virtues of females, and the vices of males. Dr Smith becomes her escort to get out of work. Just before her colonists arrive, John, Will, Don and Dr Smith destroy the arc, and the colonists leave. It ends with Noble Neolani questioningthe value of men, and perhaps they weren't as bad or stupid as she thought.
Director: Ezra Stone
Writer: Peter Packer
- 5.0/101 votes
#20 - Castles in Space
Season 3 Episode 14 - Aired 12/20/1967
The Robinsons take in a Princess who is fleeing from a bounty hunter. Will is captured by the bounty hunter, who wants to trade the boy for the princess. the robot then comes up with a idea to save the day.
Director: Sobey Martin
Writer: Peter Packer
- 5.0/101 votes
#21 - The Promised Planet
Season 3 Episode 19 - Aired 1/24/1968
The Robot suddenly announces that the Jupiter II is approaching Alpha Centauri. Everyone is suprised, and the ship lands on a planet, where they are greeted by a group of people who appear to be teenagers from Earth. It turns out that they are aliens who live like Earth-style hippies, and they are incapable of growing old. They want to age normally, and to do this they want to get the older members of the Robinson party to leave in the Jupiter II while the younger members can stay behind and be used in an experiment that will make it possible for them to do so. The aliens trick the older members of the Robinson party into leaving, but Will pulls a fast one on the aliens and the Jupiter II eventually returns to the planet, and Penny, Will, and Dr. Smith, who somehow passed himself off as a young person, are rescued.
Director: Ezra Stone
Writer: Peter Packer
- 4.0/101 votes
#22 - The Girl From the Green Dimension
Season 2 Episode 16 - Aired 1/4/1967
Athena the girl from the green dimension who hypnotised Dr Smith during thier space flight arrives on the planet. She still is in love with Dr Smith, which he uses to bribe her to help him see the future. However, he promises to go back to the green dimension with him, and when Athena's previous suitor arrives and turns Will green, Dr Smith must find a way to save himself and Will. Urso, Athena's suitor challenges Dr Smith for the lady, customary in the Green Dimension, and after seeing the future, Dr Smith fears the worst. Athena realises he cannot be with her, and leaves with Urso, but not before Urso restores Will's colour.
Director: Nathan H. Juran
Writer: Peter Packer
- 4.0/101 votes
#23 - Mutiny in Space
Season 2 Episode 19 - Aired 2/1/1967
Dr. Smith's finds an alien ship and wants to use it to get back to earth, but he doesn't count for the owner of the ship admiral zahik to turn up and wreck his plans.
Director: Don Richardson
Writer: Peter Packer
- 4.0/101 votes
#24 - Collision of Planets
Season 3 Episode 9 - Aired 11/8/1967
The Robinson's come across a group of space hippies who are trying to destroy the planet the Robinson's currently inhabit. Up up to the Robinson's and Dr. Smith to stop them or they will all be doomed.
Director: Don Richardson
Writer: Peter Packer